
计算:(1)(-2)×(-5)×0.1(2)16÷(?2)3?(?18)
计算:(1)(-2)×(-5)×0.1(2)16÷(?2)3?(?18)×(?4)(3)(12?56?35)×30(4)?24?12×[5?(?3)2]....
计算:(1)(-2)×(-5)×0.1(2)16÷(?2)3?(?18)×(?4)(3)(12?56?35)×30(4)?24?12×[5?(?3)2].
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(1)原式=10×0.1,
=1.
(2)原式=16÷(-8)-
,
=-2-
,
=-
.
(3)原式=
×30-
×30-
×30,
=15-25--18,
=-28.
(4)原式=-16-
×(-4),
=-16+2,
=-14.
=1.
(2)原式=16÷(-8)-
1 |
2 |
=-2-
1 |
2 |
=-
5 |
2 |
(3)原式=
1 |
2 |
5 |
6 |
3 |
5 |
=15-25--18,
=-28.
(4)原式=-16-
1 |
2 |
=-16+2,
=-14.
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